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| <h2 title="Class Projections" class="title">Class Projections</h2> |
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| <pre>public class <span class="typeNameLabel">Projections</span> |
| extends java.lang.Object</pre> |
| <div class="block">Utils to project expressions on rows to expressions on partitions.</div> |
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| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/expressions/Projections.ProjectionEvaluator.html" title="class in org.apache.iceberg.expressions">Projections.ProjectionEvaluator</a></span></code> |
| <div class="block">A class that projects expressions for a table's data rows into expressions on the table's |
| partition values, for a table's <a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg"><code>partition spec</code></a>.</div> |
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| <td class="colFirst"><code>static <a href="../../../../org/apache/iceberg/expressions/Projections.ProjectionEvaluator.html" title="class in org.apache.iceberg.expressions">Projections.ProjectionEvaluator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/expressions/Projections.html#inclusive-org.apache.iceberg.PartitionSpec-">inclusive</a></span>(<a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg">PartitionSpec</a> spec)</code> |
| <div class="block">Creates an inclusive <code>ProjectionEvaluator</code> for the <a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg"><code>spec</code></a>, defaulting |
| to case sensitive mode.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/iceberg/expressions/Projections.ProjectionEvaluator.html" title="class in org.apache.iceberg.expressions">Projections.ProjectionEvaluator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/expressions/Projections.html#inclusive-org.apache.iceberg.PartitionSpec-boolean-">inclusive</a></span>(<a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg">PartitionSpec</a> spec, |
| boolean caseSensitive)</code> |
| <div class="block">Creates an inclusive <code>ProjectionEvaluator</code> for the <a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg"><code>spec</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/iceberg/expressions/Projections.ProjectionEvaluator.html" title="class in org.apache.iceberg.expressions">Projections.ProjectionEvaluator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/expressions/Projections.html#strict-org.apache.iceberg.PartitionSpec-">strict</a></span>(<a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg">PartitionSpec</a> spec)</code> |
| <div class="block">Creates a strict <code>ProjectionEvaluator</code> for the <a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg"><code>spec</code></a>, defaulting |
| to case sensitive mode.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/iceberg/expressions/Projections.ProjectionEvaluator.html" title="class in org.apache.iceberg.expressions">Projections.ProjectionEvaluator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/expressions/Projections.html#strict-org.apache.iceberg.PartitionSpec-boolean-">strict</a></span>(<a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg">PartitionSpec</a> spec, |
| boolean caseSensitive)</code> |
| <div class="block">Creates a strict <code>ProjectionEvaluator</code> for the <a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg"><code>spec</code></a>.</div> |
| </td> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
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| <h4>inclusive</h4> |
| <pre>public static <a href="../../../../org/apache/iceberg/expressions/Projections.ProjectionEvaluator.html" title="class in org.apache.iceberg.expressions">Projections.ProjectionEvaluator</a> inclusive(<a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg">PartitionSpec</a> spec)</pre> |
| <div class="block">Creates an inclusive <code>ProjectionEvaluator</code> for the <a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg"><code>spec</code></a>, defaulting |
| to case sensitive mode. |
| <p> |
| An evaluator is used to project expressions for a table's data rows into expressions on the |
| table's partition values. The evaluator returned by this function is inclusive and will build |
| expressions with the following guarantee: if the original expression matches a row, then the |
| projected expression will match that row's partition. |
| <p> |
| Each predicate in the expression is projected using |
| <a href="../../../../org/apache/iceberg/transforms/Transform.html#project-java.lang.String-org.apache.iceberg.expressions.BoundPredicate-"><code>Transform.project(String, BoundPredicate)</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>spec</code> - a partition spec</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an inclusive projection evaluator for the partition spec</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/iceberg/transforms/Transform.html#project-java.lang.String-org.apache.iceberg.expressions.BoundPredicate-"><code>Inclusive transform used for each predicate</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="inclusive-org.apache.iceberg.PartitionSpec-boolean-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>inclusive</h4> |
| <pre>public static <a href="../../../../org/apache/iceberg/expressions/Projections.ProjectionEvaluator.html" title="class in org.apache.iceberg.expressions">Projections.ProjectionEvaluator</a> inclusive(<a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg">PartitionSpec</a> spec, |
| boolean caseSensitive)</pre> |
| <div class="block">Creates an inclusive <code>ProjectionEvaluator</code> for the <a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg"><code>spec</code></a>. |
| <p> |
| An evaluator is used to project expressions for a table's data rows into expressions on the |
| table's partition values. The evaluator returned by this function is inclusive and will build |
| expressions with the following guarantee: if the original expression matches a row, then the |
| projected expression will match that row's partition. |
| <p> |
| Each predicate in the expression is projected using |
| <a href="../../../../org/apache/iceberg/transforms/Transform.html#project-java.lang.String-org.apache.iceberg.expressions.BoundPredicate-"><code>Transform.project(String, BoundPredicate)</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>spec</code> - a partition spec</dd> |
| <dd><code>caseSensitive</code> - whether the Projection should consider case sensitivity on column names or not.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an inclusive projection evaluator for the partition spec</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/iceberg/transforms/Transform.html#project-java.lang.String-org.apache.iceberg.expressions.BoundPredicate-"><code>Inclusive transform used for each predicate</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="strict-org.apache.iceberg.PartitionSpec-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>strict</h4> |
| <pre>public static <a href="../../../../org/apache/iceberg/expressions/Projections.ProjectionEvaluator.html" title="class in org.apache.iceberg.expressions">Projections.ProjectionEvaluator</a> strict(<a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg">PartitionSpec</a> spec)</pre> |
| <div class="block">Creates a strict <code>ProjectionEvaluator</code> for the <a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg"><code>spec</code></a>, defaulting |
| to case sensitive mode. |
| <p> |
| An evaluator is used to project expressions for a table's data rows into expressions on the |
| table's partition values. The evaluator returned by this function is strict and will build |
| expressions with the following guarantee: if the projected expression matches a partition, |
| then the original expression will match all rows in that partition. |
| <p> |
| Each predicate in the expression is projected using |
| <a href="../../../../org/apache/iceberg/transforms/Transform.html#projectStrict-java.lang.String-org.apache.iceberg.expressions.BoundPredicate-"><code>Transform.projectStrict(String, BoundPredicate)</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>spec</code> - a partition spec</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a strict projection evaluator for the partition spec</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/iceberg/transforms/Transform.html#projectStrict-java.lang.String-org.apache.iceberg.expressions.BoundPredicate-"><code>Strict transform used for each predicate</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="strict-org.apache.iceberg.PartitionSpec-boolean-"> |
| <!-- --> |
| </a> |
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| <h4>strict</h4> |
| <pre>public static <a href="../../../../org/apache/iceberg/expressions/Projections.ProjectionEvaluator.html" title="class in org.apache.iceberg.expressions">Projections.ProjectionEvaluator</a> strict(<a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg">PartitionSpec</a> spec, |
| boolean caseSensitive)</pre> |
| <div class="block">Creates a strict <code>ProjectionEvaluator</code> for the <a href="../../../../org/apache/iceberg/PartitionSpec.html" title="class in org.apache.iceberg"><code>spec</code></a>. |
| <p> |
| An evaluator is used to project expressions for a table's data rows into expressions on the |
| table's partition values. The evaluator returned by this function is strict and will build |
| expressions with the following guarantee: if the projected expression matches a partition, |
| then the original expression will match all rows in that partition. |
| <p> |
| Each predicate in the expression is projected using |
| <a href="../../../../org/apache/iceberg/transforms/Transform.html#projectStrict-java.lang.String-org.apache.iceberg.expressions.BoundPredicate-"><code>Transform.projectStrict(String, BoundPredicate)</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>spec</code> - a partition spec</dd> |
| <dd><code>caseSensitive</code> - whether the Projection should consider case sensitivity on column names or not.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a strict projection evaluator for the partition spec</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/iceberg/transforms/Transform.html#projectStrict-java.lang.String-org.apache.iceberg.expressions.BoundPredicate-"><code>Strict transform used for each predicate</code></a></dd> |
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